@article{AFM_2008_33_1_a2,
     author = {Stanislav Hencl and Pekka Koskela},
     title = {Mappings of finite distortion: composition operator},
     journal = {Annales Fennici Mathematici},
     pages = {65--80},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_2008_33_1_a2/}
}